40294989

素因数分解:

$3^5\times 7^1\times {\mathrm{23689}}^1$

素因数の和:23711

約数の個数: 24

約数和(自身を含む): 68985280

約数和(自身を除く): 28690291

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23689, 71067, 165823, 213201, 497469, 639603, 1492407, 1918809, 4477221, 5756427, 13431663, 40294989]

約数ペア:

[(1, 40294989), (3, 13431663), (7, 5756427), (9, 4477221), (21, 1918809), (27, 1492407), (63, 639603), (81, 497469), (189, 213201), (243, 165823), (567, 71067), (1701, 23689)]